[INFO] cloning repository https://github.com/mute1997/runtc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mute1997/runtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmute1997%2Fruntc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmute1997%2Fruntc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8abc809b08fa5554cc9a6975b8d4091a0485c683
[INFO] checking mute1997/runtc against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmute1997%2Fruntc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mute1997/runtc on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mute1997/runtc
[INFO] finished tweaking git repo https://github.com/mute1997/runtc
[INFO] tweaked toml for git repo https://github.com/mute1997/runtc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mute1997/runtc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 611190c0f5993fe297d2f3d9f169587fab7931f68256a89bbffb1a07f2109dfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "611190c0f5993fe297d2f3d9f169587fab7931f68256a89bbffb1a07f2109dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "611190c0f5993fe297d2f3d9f169587fab7931f68256a89bbffb1a07f2109dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611190c0f5993fe297d2f3d9f169587fab7931f68256a89bbffb1a07f2109dfc", kill_on_drop: false }`
[INFO] [stdout] 611190c0f5993fe297d2f3d9f169587fab7931f68256a89bbffb1a07f2109dfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0baacf06ca40353f0f4d6decb6a4dbda1c803ee5db3772a32764e482bf4eebe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0baacf06ca40353f0f4d6decb6a4dbda1c803ee5db3772a32764e482bf4eebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]     Checking runtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]  --> src/state.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn state(state: State) -> Result<(), String> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `create`
[INFO] [stdout]  --> src/create.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn create(create: Create) -> Result<(), String> {
[INFO] [stdout]   |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]  --> src/start.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn start(start: Start) -> Result<(), String> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kill`
[INFO] [stdout]  --> src/kill.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn kill(kill: Kill) -> Result<(), String> {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_kill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delete`
[INFO] [stdout]  --> src/delete.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn delete(delete: Delete) -> Result<(), String> {
[INFO] [stdout]   |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_delete`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]  --> src/state.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn state(state: State) -> Result<(), String> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `create`
[INFO] [stdout]  --> src/create.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn create(create: Create) -> Result<(), String> {
[INFO] [stdout]   |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]  --> src/start.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn start(start: Start) -> Result<(), String> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kill`
[INFO] [stdout]  --> src/kill.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn kill(kill: Kill) -> Result<(), String> {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_kill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delete`
[INFO] [stdout]  --> src/delete.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn delete(delete: Delete) -> Result<(), String> {
[INFO] [stdout]   |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_delete`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `Command { std: "docker" "inspect" "d0baacf06ca40353f0f4d6decb6a4dbda1c803ee5db3772a32764e482bf4eebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0baacf06ca40353f0f4d6decb6a4dbda1c803ee5db3772a32764e482bf4eebe", kill_on_drop: false }`
[INFO] [stdout] d0baacf06ca40353f0f4d6decb6a4dbda1c803ee5db3772a32764e482bf4eebe